* Re: [PATCH] wifi: wilc1000: Added back-off algorithm to balance tx queue packets.
[not found] <20230810184633.94338-1-prasurjya.rohansaikia@microchip.com>
@ 2023-08-12 8:41 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-08-12 8:41 UTC (permalink / raw)
To: Prasurjya.Rohansaikia, linux-wireless
Cc: oe-kbuild-all, Ajay.Kathat, claudiu.beznea
Hi,
kernel test robot noticed the following build warnings:
[auto build test WARNING on wireless-next/main]
[also build test WARNING on wireless/main linus/master v6.5-rc5 next-20230809]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Prasurjya-Rohansaikia-microchip-com/wifi-wilc1000-Added-back-off-algorithm-to-balance-tx-queue-packets/20230811-024902
base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main
patch link: https://lore.kernel.org/r/20230810184633.94338-1-prasurjya.rohansaikia%40microchip.com
patch subject: [PATCH] wifi: wilc1000: Added back-off algorithm to balance tx queue packets.
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20230812/202308121630.OJIJ2i9a-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230812/202308121630.OJIJ2i9a-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308121630.OJIJ2i9a-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/net/wireless/microchip/wilc1000/netdev.c: In function 'wilc_txq_task':
>> drivers/net/wireless/microchip/wilc1000/netdev.c:147:21: warning: variable 'timeout' set but not used [-Wunused-but-set-variable]
147 | signed long timeout;
| ^~~~~~~
vim +/timeout +147 drivers/net/wireless/microchip/wilc1000/netdev.c
142
143 static int wilc_txq_task(void *vp)
144 {
145 int ret;
146 u32 txq_count;
> 147 signed long timeout;
148 struct wilc *wl = vp;
149
150 complete(&wl->txq_thread_started);
151 while (1) {
152 if (wait_for_completion_interruptible(&wl->txq_event))
153 continue;
154 if (wl->close) {
155 complete(&wl->txq_thread_started);
156
157 while (!kthread_should_stop())
158 schedule();
159 break;
160 }
161 do {
162 ret = wilc_wlan_handle_txq(wl, &txq_count);
163 if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD) {
164 int srcu_idx;
165 struct wilc_vif *ifc;
166
167 srcu_idx = srcu_read_lock(&wl->srcu);
168 list_for_each_entry_rcu(ifc, &wl->vif_list,
169 list) {
170 if (ifc->mac_opened &&
171 netif_queue_stopped(ifc->ndev))
172 netif_wake_queue(ifc->ndev);
173 }
174 srcu_read_unlock(&wl->srcu, srcu_idx);
175 }
176 if (ret != WILC_VMM_ENTRY_FULL_RETRY)
177 break;
178 /* Back off from sending packets for some time.
179 * schedule_timeout will allow RX task to run and free
180 * buffers. Setting state to TASK_INTERRUPTIBLE will
181 * put the thread back to CPU running queue when it's
182 * signaled even if 'timeout' isn't elapsed. This gives
183 * faster chance for reserved SK buffers to be freed
184 */
185 set_current_state(TASK_INTERRUPTIBLE);
186 timeout = schedule_timeout(msecs_to_jiffies(TX_BACKOFF_WEIGHT_MS));
187 } while (ret == WILC_VMM_ENTRY_FULL_RETRY && !wl->close);
188 }
189 return 0;
190 }
191
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2023-08-12 8:41 ` [PATCH] wifi: wilc1000: Added back-off algorithm to balance tx queue packets kernel test robot
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